# SDR DALA1020495522

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2010
- Submitted: August 27, 2010
- Operation: Air carrier
- Aircraft: [N522US](https://openairdocs.org/aircraft/N522US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 23616
- Aircraft time: 66,941 hours, 27,518 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 345
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1020495522

## Discrepancy

DURING M-CHECK FOUND CORROSION ON FLOORBEAM UPPER CHORD BS 345 BL 0 TO LBL 18.  REPAIRED IAW SRM 53-00-51 REPAIR NR 5.

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